Which has higher life expectancy, Chad or Nigeria?

Chad, at 55.07 years against 54.46 years in Nigeria as of 2023.

How many years of comparable data are there for Chad and Nigeria?

74 years are reported by both, from 1950 to 2023.

Where does this data come from?

Riley (2005); Zijdeman et al. (2015); HMD (2025); UN WPP (2024) – with major processing by Our World in Data, published as Life expectancy. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Chad vs Nigeria: Life expectancy

Chad

55.07 years

in 2023

Nigeria

54.46 years

in 2023

Chad rank

235th

Nigeria rank

236th

Life expectancy over time

Chad
Nigeria

How they compare

Chad currently reports 55.07 years against 54.46 years in Nigeria, a difference of 0.61 years.

The two have swapped places 9 times across 74 shared years of data; in 1950 it was Nigeria ahead.

Chad ranks 235th and Nigeria ranks 236th of 236 countries.

Across the 8 decades both report, Chad averaged higher in 4 and Nigeria in 4.

Head to head by decade

Decade	Chad	Nigeria	Difference	Ahead
1950s	37.09 years	36.27 years	0.8208 years	Chad
1960s	40.05 years	37.97 years	2.08 years	Chad
1970s	42.37 years	42.94 years	0.5641 years	Nigeria
1980s	44.68 years	46.12 years	1.44 years	Nigeria
1990s	47.1 years	45.88 years	1.23 years	Chad
2000s	48.8 years	49.21 years	0.4055 years	Nigeria
2010s	51.37 years	52.05 years	0.6737 years	Nigeria
2020s	53.95 years	53.77 years	0.1865 years	Chad

Averages of every year both report within each decade.

Frequently asked questions

Which has higher life expectancy, Chad or Nigeria?: Chad, at 55.07 years against 54.46 years in Nigeria as of 2023.
What is the difference in life expectancy between Chad and Nigeria?: 0.61 years, with Chad ahead.
How many years of comparable data are there for Chad and Nigeria?: 74 years are reported by both, from 1950 to 2023.
How do Chad and Nigeria rank globally for life expectancy?: Chad ranks 235th and Nigeria ranks 236th of 236 countries.
Where does this data come from?: Riley (2005); Zijdeman et al. (2015); HMD (2025); UN WPP (2024) – with major processing by Our World in Data, published as Life expectancy. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

About this data

Indicator: Life expectancy
Unit: years
Source: Riley (2005); Zijdeman et al. (2015); HMD (2025); UN WPP (2024) – with major processing by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 236 places, 19,452 data points, 1543–2023
Last refreshed: 07 August 2026

Period life expectancy is the number of years the average person born in a certain year would live if they experienced the same chances of dying at each age as people did that year.